package com.atguigu.gulimall.product.service.impl;

import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;
import com.atguigu.gulimall.product.dao.AttrGroupDao;
import com.atguigu.gulimall.product.entity.AttrEntity;
import com.atguigu.gulimall.product.entity.AttrGroupEntity;
import com.atguigu.gulimall.product.service.AttrGroupService;
import com.atguigu.gulimall.product.service.AttrService;
import com.atguigu.gulimall.product.vo.AttrGroupWithAttrsVo;
import com.atguigu.gulimall.product.vo.SkuItemVo;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {

    @Autowired
    private AttrGroupDao attrGroupDao;

    @Autowired
    private AttrService attrService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public PageUtils   queryPage(Map<String, Object> params, Long catelogId) {
        QueryWrapper<AttrGroupEntity> wrapper = new QueryWrapper<AttrGroupEntity>();
        String key = (String) params.get("key");
        if(StringUtils.hasText(key)){
            wrapper.and(obj->{
                obj.eq("attr_group_id",key).or().like("attr_group_name",key);
            }) ;
        }
        //如果传过来的三级分类id为0，就查询所有数据
        if(catelogId==0){
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params), wrapper);
            return new PageUtils(page);
        }else{
            wrapper.eq("catelog_id", catelogId);
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params), wrapper);
            return new PageUtils(page);
        }
    }

    @Override
    public List<AttrGroupWithAttrsVo> getAttrGroupWithAttrsByCatelogId(Long catelogId) {
        //1.查出当前分类瞎的所有属性分组
        List<AttrGroupEntity> groupEntityList = attrGroupDao.selectList(new QueryWrapper<AttrGroupEntity>().eq("catelog_id", catelogId));

        List<AttrGroupWithAttrsVo> collect = groupEntityList.stream().map(group -> {
            AttrGroupWithAttrsVo attrGroupWithAttrsVo = new AttrGroupWithAttrsVo();
            BeanUtils.copyProperties(group, attrGroupWithAttrsVo);
            //2.查出每个属性分组下的所有属性
            List<AttrEntity> relationAttr = attrService.getRelationAttr(group.getAttrGroupId());
            attrGroupWithAttrsVo.setAttrs(relationAttr);
            return attrGroupWithAttrsVo;
        }).collect(Collectors.toList());

        return collect;
    }

    @Override
    public List<SkuItemVo.SpuItemGroupVo> getAttrGroupWithAttrsBySpuId(Long spuId, Long catalogId) {
        List<SkuItemVo.SpuItemGroupVo> groupAttr=this.baseMapper.getAttrGroupWithAttrsBySpuId( spuId,  catalogId);
        return groupAttr;
    }

}